Origin
Boulder, MT
Late night in Boulder on Friday
Local time
12:28 AM
MDT
Current temp
59°F
Unavailable
Live forecast
Trip from Boulder, MT to Missoula, MT
Compiled by the Trip.ovh editorial team · Last recalculated Apr 17, 2026 · Methodology
Drive Time
2h 31m
Distance
143.8 mi
231 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$23
one way
EV Charging
Unknown
Best Time to Leave
4 AM
2h 21m
★
6 AM
2h 31m
8 AM
2h 51m
10 AM
2h 38m
12 PM
2h 36m
3 PM
2h 39m
5 PM
2h 50m
8 PM
2h 25m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Boulder, MT
John De Leon
Missoula, MT
Wikimedia Commons
Trip Overview
This 143.8-mile drive from Boulder to Missoula, Montana, is a straightforward 2 hour and 31 minute journey. Designed as a single-day trip, it keeps you within the Mountain West region of Montana. With an estimated fuel cost of $23, it's an economical option for exploring the area. The route offers a blend of local roads and highway driving, making it a practical choice for a scenic day trip or a convenient leg of a larger adventure. Plan for a single stop along the way to break up the drive.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Break Rhythm
1 planned break
A short stop every 2 to 3 hours is enough for this drive.
Midpoint
71.9 miles from Boulder, MT
A natural place for your longest stop of the day , about 1h 16m into the drive .
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 2h 31m. Total distance: 143.8 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
2h 31m drive, comfortable solo distance.
First-Time Driver
Mostly highway driving (19%). Straightforward navigation.
Scenic Drive
Turn-heavy local drive route profile.
Drive Character
Expect a turn-heavy local drive for much of this route, with only 19% of the journey on highways. The main roads you'll navigate include Euclid Avenue, I 15, and North Last Chance Gulch Street. The longest uninterrupted stretch covers 111.6 miles on Euclid Avenue, offering a consistent pace before transitioning to other road types. This profile suggests a journey that requires attention to navigation and a comfortable pace, rather than a high-speed interstate cruise.
This route has more turning and local-road decision points than a simple highway run.
There are about 17 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
Euclid Avenue is the longest continuous segment at about 111.6 miles.
How Hard Is This Drive?
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. There are only a few real navigation decisions along the way. The trickiest moment comes around 1 miles in near I 15.
Driving Effort
4/10
Easy - simple navigation with a manageable amount of wheel time
Balances navigation complexity with total wheel time.
This is a straightforward 2h 31m drive. You will face about 10 decision points, but nothing that requires special attention if you follow navigation.
Where does it get tricky?
The main spots that need attention: at 1 miles (I 15): Merge point - match speed before joining. Lane positioning matters here; at 28.8 miles: Exit ramp - move to the correct lane early. Lane positioning matters here; at 29.1 miles (Cedar Street): Lane positioning matters here.
Critical Maneuvers
5 of 10 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
5
1 mi into trip
|
~2m in
|
I 15
Merge onto I 15
Merge point - match speed before joining. Lane positioning matters here
Use the straight / slight right lanes.
7
28.8 mi into trip
|
~28m in
Take the exit toward Cedar Street
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the slight right lane.
Exit 193
Toward Cedar Street
6
29.1 mi into trip
|
~29m in
|
Cedar Street
Turn left onto Cedar Street
Lane positioning matters here
Use the straight lane.
5
30.7 mi into trip
|
~32m in
|
US 12 / West Lyndale Avenue
Turn right onto US 12 / West Lyndale Avenue
Lane positioning matters here
Use the right lane.
5
142.8 mi into trip
|
~2h 29m in
|
I 90 Business; US 12
Take the exit onto I 90 Business; US 12 toward US 12 West, I 90 Business
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Toward US 12 West, I 90 Business
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Euclid Avenue | 111.6 mi | 1h 55m |
| I 15 | 27.8 mi | 26m |
| North Last Chance Gulch Street | 0.8 mi | 1m |
| Cedar Street | 0.8 mi | 1m |
| North Main Street | 0.7 mi | 1m |
| East Broadway Street | 0.6 mi | <1m |
| West Lyndale Avenue | 0.4 mi | 1m |
| Van Buren Street | 0.2 mi | <1m |
Longest stretch:
Euclid Avenue
— 111.6 mi, about 1h 55m
Turn-by-Turn Driving Directions
Step-by-step road directions between Boulder, MT and Missoula, MT.
1
Start on West Centennial Avenue
367 ft
·
16 sec
·
West Centennial Avenue
2
Turn left onto MT 69
0.7 mi
·
1 min
·
North Main Street
3
Take the ramp
0.2 mi
·
31 sec
Toward Helena
4
Merge onto I 15
28 mi
·
26 min
·
I 15
Use the straight / slight right lanes.
5
Take the exit
0.3 mi
·
43 sec
Exit 193
Toward Cedar Street
Use the slight right lane.
6
Turn left onto Cedar Street
0.8 mi
·
1 min
·
Cedar Street
Use the straight lane.
7
Continue on I 15 Business
0.8 mi
·
1 min
·
North Last Chance Gulch Street
Use the straight / right lanes.
8
Turn right onto US 12
0.4 mi
·
1 min
·
West Lyndale Avenue
Use the right lane.
9
Continue on US 12
112 mi
·
1 hr 55 min
·
Euclid Avenue
Use the straight / right lanes.
10
Take the exit onto I 90 Business; US 12
0.2 mi
·
26 sec
·
I 90 Business; US 12
Toward US 12 West, I 90 Business
11
Enter roundabout onto I 90 Bus; US 12
206 ft
·
2 sec
·
Van Buren Street
12
Continue on I 90 Bus; US 12
212 ft
·
3 sec
·
Van Buren Street
13
Enter roundabout onto I 90 Bus; US 12
92 ft
·
1 sec
·
Van Buren Street
14
Continue on I 90 Bus; US 12
0.1 mi
·
11 sec
·
Van Buren Street
15
Turn right onto I 90 Bus; US 12
0.6 mi
·
55 sec
·
East Broadway Street
Use the straight / left / right lanes.
16
Turn right onto North Higgins Avenue
19 ft
·
0 sec
·
North Higgins Avenue
17
Arrive at destination
North Higgins Avenue
Trip Plan
Given the relatively short 2 hour and 31 minute duration, this route is best tackled in a single day. Aim to depart in the morning to allow ample time for any unscheduled stops or points of interest you might discover. With only one recommended stop, you have flexibility in pacing your journey. Keep an eye on your fuel levels, as the longest stretch is over 100 miles. A practical tip for this route: familiarize yourself with the transition points between Euclid Avenue and I 15 to ensure a smooth continuation of your drive.
Morning Departure
Leave by 9 AM and you'll arrive before lunch.
Evening Departure
Even a 4 PM departure gets you there before dark in summer.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 71.9 miles from Boulder, MT, or about 1h 16m into the drive.
The longest continuous stretch on this route runs about 111.6 miles.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 32 miles or 34m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 71.9 miles or 1h 16m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 2h 3m
Traffic, exits, and arrival timing usually matter more near Missoula, MT than in the middle of the route.
Before You Leave
+
Open the route before leaving Boulder, MT so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Boulder, MT
This is one driving day of about 143.8 miles and 2h 31m.
Your first comfortable stop window is around 32 miles from Boulder, MT.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on Euclid Avenue for about 111.6 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 71.9 mi from Boulder, MT · 1h 16m into the drive
Mid-route town
Meal stop
72 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
Pacing Suggestions
Fuel and coffee
A short stop after about 32 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 71.9 miles from Boulder, MT, which is a good place for a longer meal and fuel stop.
Before the longest stretch
Fuel checkTop up before Euclid Avenue if your tank is already low. That segment runs about 111.6 miles.
Arriving in Missoula, MT
The final approach into Missoula, MT usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.
Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around Missoula, MT.
After long uninterrupted mileage, take five minutes before the last urban segment to reset and refocus on exits, merges, and city traffic.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Fuel & Cost
Regular Gas
$22.79 one way
$45.57 round trip
$4.03/gal
25.4 MPG avg
50 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.22 | $23.89 | $47.77 |
| premium | $4.53 | $25.65 | $51.30 |
| diesel | $5.61 | $31.75 | $63.50 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$23
Meals
$25–$50
Total
$48–$73
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 50.3 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $15 in charging · 0 stops · 66% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 43.1 | 0 | $15.10 | $6.90 |
| Efficient EV | 36 | 0 | $12.58 | $5.75 |
| EV Truck/SUV | 57.5 | 0 | $20.13 | $9.20 |
Gas CO2
50 kg
EV CO2
17 kg (66% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Destination
Missoula, MT
Late night in Missoula on Friday
Local time
12:28 AM
MDT
Current temp
65°F
Unavailable
Live forecast
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
6 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
2h 31m on the road
Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
Frequently Asked Questions
The drive from Boulder, MT to Missoula, MT covers 143.8 miles and takes about 2h 31m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Euclid Avenue, I 15, North Last Chance Gulch Street. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 71.9 miles from Boulder, MT. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $22.79 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
Leave by 9 AM and you'll arrive before lunch. Even a 4 PM departure gets you there before dark in summer.
Plan about 1 meaningful break for fuel, food, or rest. A short stop every 2 to 3 hours is enough for this drive.
This is a straightforward 2h 31m drive. You will face about 10 decision points, but nothing that requires special attention if you follow navigation.
The main spots that need attention: at 1 miles (I 15): Merge point - match speed before joining. Lane positioning matters here; at 28.8 miles: Exit ramp - move to the correct lane early. Lane positioning matters here; at 29.1 miles (Cedar Street): Lane positioning matters here.
The route from Boulder, MT to Missoula, MT does not surface many named destination signs beyond the main corridor.
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